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What is the diving fins

Time:2014-01-18
Scuba fins
Fins provide a large surface area to push against the water. This allows you to swim using your powerful leg muscles. This moves you more efficiently and frees your hands.

Also known as : fins, swim fins, flippers, blades

Styles
Open heel adjustable – Open heel adjustable fins are the main fins used for scuba diving. They have the power to push you and your gear through the water. These fins require you to wear wet suit boots (booties). Booties also come in handy for shore dives to protect the bottoms of your feet when entering and exiting the water.

Full foot fins – Full foot fins aren’t adjustable and don’t require wet suit boots. They go on like slippers. Most smaller fins suited to snorkeling or very lightweight scuba diving are full foot fins.  These are fine for warm water diving, but chances are in cooler waters, you’ll want boots to keep your feet warm.

Required features
Ample blade size – Fins for scuba have evolved since their inception. Today’s scuba fin is relatively large (but available in sizes to meet individual size differences) to provide maximum power. Fins intended for other watersports may have blades that are too small for scuba diving. The majority of appropriate fins for scuba are open heel, but a few manufacturers make full size, full foot fins for scuba diving in tropical water. Your dive shop can help you find a pair of fins that suits you best.

Desirable features
Quick adjust buckles or spring straps – Some scuba fins have buckles that allow you to snug or release them quickly, which is very convenient when gearing up and getting out of the water. Spring heels use encased heavy-duty springs in place of rubber straps. They stretch to fit exactly right and never need adjusting.

Optional features
Vents, splits and ribs – Fins have different modifications to improve their performance, depending upon the design. These include special vents, split blades or ribs that channel water flow.

All rubber or composite – Most of today’s fins are composite, meaning the foot pocket is made of neoprene rubber and the blade is made of a plastic. A few fins, however, are entirely rubber. Composite fins are lighter and have different swimming characteristics than all-rubber; these differences are a matter of preference.

Hand fins – It’s worth noting that people with physical challenges that limit leg use can get webbed gloves that make swimming with their arms more effective.

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